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Health impact and noise exposure assessment in the cricket bat industry of Kashmir, India

Manzoor J., Mamta, Rao R. J., Wani K. A.

International Journal of Occupational Safety and Ergonomics

2016

Vol. 22, No. 4

473--478

Aim. The aim of the present study was to identify and evaluate predominant noise sources in the cricket bat industry of Kashmir, India. Methods. Sound levels were measured at operator’s ear level in the working zone of the workers of seven cricket bat factories. The impact assessment was made through personal interviews with each worker separately during their period of rest. Results. On average, 62.5% of the workers reported difficulty in hearing and 24.1% of the workers have become patients for hypertension. Only 58.1% of the workers complained of headache due to high noise level. Conclusions. The workers engaged in the cricket bat industry of Kashmir are exposed to high noise levels. It is suggested that personal protective equipment like ear plugs and ear muffs be used by these workers as a protection against this hazard.

Methodology of Selecting the Reference Source for an Active Noise Control System in a Car

Dąbrowski Z., Stankiewicz B.

International Journal of Occupational Safety and Ergonomics

2013

Vol. 19, No. 1

117--125

At the end of the 20th century, a significant development in digital technologies of signal processing made it possible to apply active noise control methods in new domains. A proper selection of the reference signal source is a main problem in implementing such systems. This paper presents an estimation method based on an indicator of the coherent power level. It also presents a simple system of active noise control in a car, operating according to the proposed method of optimising the positioning of reference sources. This system makes it possible to considerably increase the comfort of work of drivers in various kinds of road transport without a great increase in cost. This is especially significant in the case of trucks and vans. Passive barriers are considerably more expensive in them, which results in a higher level of noise than in passenger cars.

Baza danych o materiałach, wyrobach i ustrojach przeznaczonych do ochrony przed hałasem i drganiami

Sadowski J., Engel Z., Augustyńska D., Czyżewski K.

Bezpieczeństwo Pracy : nauka i praktyka

2000

nr 4

2-7

Baza danych o materiałach, wyrobach i ustrojach przeznaczonych do ochrony przed hałasem i drganiami : Programy zarządzające bazą danych. Wybrane informacje

Czyżewski K., Sadowski J., Engel Z.

Bezpieczeństwo Pracy : nauka i praktyka

2000

nr 6

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